curl -X GET "https://api.mailgreet.com/api/v1/external/test-auth" \
  -H "Authorization: Bearer YOUR_API_KEY"

const response = await fetch('https://api.mailgreet.com/api/v1/external/test-auth', {
  method: 'GET',
  headers: {
    'Authorization': 'Bearer YOUR_API_KEY'
  }
});

const data = await response.json();
console.log(data);

import requests

response = requests.get(
    'https://api.mailgreet.com/api/v1/external/test-auth',
    headers={'Authorization': 'Bearer YOUR_API_KEY'}
)

print(response.json())

<?php
$ch = curl_init();

curl_setopt_array($ch, [
    CURLOPT_URL => 'https://api.mailgreet.com/api/v1/external/test-auth',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer YOUR_API_KEY'
    ]
]);

$response = curl_exec($ch);
curl_close($ch);

echo $response;

{
  "success": true,
  "message": "API key authentication successful",
  "data": {
    "user_id": "550e8400-e29b-41d4-a716-446655440000",
    "clerk_user_id": "user_2abc123def456",
    "api_key_name": "Default API Key",
    "authenticated_at": "2026-01-18T14:00:00Z"
  }
}

{
  "success": false,
  "error": "Invalid or missing API key"
}